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test-network: drop old kernel support and workaround for fixed kernel bug

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- l3mdev in fib rules is supported since
96c63fa739 (v4.8).
- uid range in fib rules is supported since
622ec2c9d5 (v4.10).
- port range and ip proto in fib rules is supported since
bfff486265 (v4.17).
- interface alternative name is supported since
36fbf1e52b (v5.5).
- SRIOV on netdevsim is supported since
7957922056 (4.16).
- nexthop is supported since
65ee00a940 (v5.3).
- bridge MDB entries on bridge master is supported since
1bc844ee0f (v5.4).
This commit is contained in:
Yu Watanabe
2026-02-21 04:40:36 +09:00
parent 124bbf37de
commit cbc2990335
1 changed files with 19 additions and 137 deletions
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156
test/test-network/systemd-networkd-tests.py
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@@ -178,114 +178,6 @@ def expectedFailureIfModuleIsNotAvailable(*module_names):
return f
def expectedFailureIfERSPANv0IsNotSupported():
# erspan version 0 is supported since f989d546a2d5a9f001f6f8be49d98c10ab9b1897 (v5.8)
def f(func):
rc = call_quiet('ip link add dev erspan99 type erspan seq key 30 local 192.168.1.4 remote 192.168.1.1 erspan_ver 0')
remove_link('erspan99')
return func if rc == 0 else unittest.expectedFailure(func)
return f
def expectedFailureIfERSPANv2IsNotSupported():
# erspan version 2 is supported since f551c91de262ba36b20c3ac19538afb4f4507441 (v4.16)
def f(func):
rc = call_quiet('ip link add dev erspan99 type erspan seq key 30 local 192.168.1.4 remote 192.168.1.1 erspan_ver 2')
remove_link('erspan99')
return func if rc == 0 else unittest.expectedFailure(func)
return f
def expectedFailureIfRoutingPolicyPortRangeIsNotAvailable():
def f(func):
rc = call_quiet('ip rule add from 192.168.100.19 sport 1123-1150 dport 3224-3290 table 7')
call_quiet('ip rule del from 192.168.100.19 sport 1123-1150 dport 3224-3290 table 7')
return func if rc == 0 else unittest.expectedFailure(func)
return f
def expectedFailureIfRoutingPolicyIPProtoIsNotAvailable():
def f(func):
# IP protocol name is parsed by getprotobyname(), and it requires /etc/protocols.
# Hence. here we use explicit number: 6 == tcp.
rc = call_quiet('ip rule add not from 192.168.100.19 ipproto 6 table 7')
call_quiet('ip rule del not from 192.168.100.19 ipproto 6 table 7')
return func if rc == 0 else unittest.expectedFailure(func)
return f
def expectedFailureIfRoutingPolicyUIDRangeIsNotAvailable():
def f(func):
supported = False
if call_quiet('ip rule add from 192.168.100.19 table 7 uidrange 200-300') == 0:
ret = run('ip rule list from 192.168.100.19 table 7')
supported = ret.returncode == 0 and 'uidrange 200-300' in ret.stdout
call_quiet('ip rule del from 192.168.100.19 table 7 uidrange 200-300')
return func if supported else unittest.expectedFailure(func)
return f
def expectedFailureIfRoutingPolicyL3MasterDeviceIsNotAvailable():
def f(func):
rc = call_quiet('ip rule add not from 192.168.100.19 l3mdev')
call_quiet('ip rule del not from 192.168.100.19 l3mdev')
return func if rc == 0 else unittest.expectedFailure(func)
return f
def expectedFailureIfNexthopIsNotAvailable():
def f(func):
rc = call_quiet('ip nexthop list')
return func if rc == 0 else unittest.expectedFailure(func)
return f
def expectedFailureIfAlternativeNameIsNotAvailable():
def f(func):
call_quiet('ip link add dummy98 type dummy')
supported = \
call_quiet('ip link prop add dev dummy98 altname hogehogehogehogehoge') == 0 and \
call_quiet('ip link show dev hogehogehogehogehoge') == 0
remove_link('dummy98')
return func if supported else unittest.expectedFailure(func)
return f
def expectedFailureIfNetdevsimWithSRIOVIsNotAvailable():
def f(func):
def finalize(func, supported):
call_quiet('rmmod netdevsim')
return func if supported else unittest.expectedFailure(func)
call_quiet('rmmod netdevsim')
if call_quiet('modprobe netdevsim') != 0:
return finalize(func, False)
try:
with open('/sys/bus/netdevsim/new_device', mode='w', encoding='utf-8') as f:
f.write('99 1')
except OSError:
return finalize(func, False)
return finalize(func, os.path.exists('/sys/bus/netdevsim/devices/netdevsim99/sriov_numvfs'))
return f
def expectedFailureIfKernelReturnsInvalidFlags():
'''
This checks the kernel bug caused by 3ddc2231c8108302a8229d3c5849ee792a63230d (v6.9),
fixed by 1af7f88af269c4e06a4dc3bc920ff6cdf7471124 (v6.10, backported to 6.9.3).
'''
def f(func):
call_quiet('ip link add dummy98 type dummy')
call_quiet('ip link set up dev dummy98')
call_quiet('ip address add 192.0.2.1/24 dev dummy98 noprefixroute')
output = check_output('ip address show dev dummy98')
remove_link('dummy98')
return func if 'noprefixroute' in output else unittest.expectedFailure(func)
return f
# pylint: disable=C0415
def compare_kernel_version(min_kernel_version):
try:
@@ -1454,7 +1346,6 @@ class NetworkctlTests(unittest.TestCase, Utilities):
def tearDown(self):
tear_down_common()
@expectedFailureIfAlternativeNameIsNotAvailable()
def test_altname(self):
copy_network_unit('26-netdev-link-local-addressing-yes.network', '12-dummy.netdev', '12-dummy.link')
start_networkd()
@@ -1463,7 +1354,6 @@ class NetworkctlTests(unittest.TestCase, Utilities):
output = networkctl_status('dummy98')
self.assertRegex(output, 'hogehogehogehogehogehoge')
@expectedFailureIfAlternativeNameIsNotAvailable()
def test_rename_to_altname(self):
copy_network_unit('26-netdev-link-local-addressing-yes.network',
'12-dummy.netdev', '12-dummy-rename-to-altname.link')
@@ -1666,7 +1556,6 @@ class NetworkdMatchTests(unittest.TestCase, Utilities):
def tearDown(self):
tear_down_common()
@expectedFailureIfAlternativeNameIsNotAvailable()
def test_match(self):
copy_network_unit('12-dummy-mac.netdev',
'12-dummy-match-mac-01.network',
@@ -2689,9 +2578,13 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
'25-ip6gre-tunnel-any-any.netdev', '25-tunnel-any-any.network')
start_networkd()
# Old kernels seem not to support IPv6LL address on ip6gre tunnel, So please do not use wait_online() here.
self.wait_links('dummy98', 'ip6gretun99', 'ip6gretun98', 'ip6gretun97', 'ip6gretun96')
self.wait_online(
'ip6gretun99:routable',
'ip6gretun98:routable',
'ip6gretun97:routable',
'ip6gretun96:routable',
'dummy98:degraded',
)
output = check_output('ip -d link show ip6gretun99')
print(output)
@@ -2712,12 +2605,13 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
'25-ip6gre-tunnel-remote-any.netdev',
'25-ip6gre-tunnel-any-any.netdev')
networkctl_reload()
self.wait_links(
'dummy98',
'ip6gretun99',
'ip6gretun98',
'ip6gretun97',
'ip6gretun96')
self.wait_online(
'ip6gretun99:routable',
'ip6gretun98:routable',
'ip6gretun97:routable',
'ip6gretun96:routable',
'dummy98:degraded',
)
def test_gretap_tunnel(self):
copy_network_unit('12-dummy.netdev', '25-gretap.network',
@@ -3036,7 +2930,6 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
networkctl_reload()
self.wait_online('sittun99:routable', 'dummy98:degraded')
@expectedFailureIfERSPANv0IsNotSupported()
def test_erspan_tunnel_v0(self):
copy_network_unit('12-dummy.netdev', '25-erspan.network',
'25-erspan0-tunnel.netdev', '25-tunnel.network',
@@ -3119,7 +3012,6 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
'erspan98:routable',
'dummy98:degraded')
@expectedFailureIfERSPANv2IsNotSupported()
def test_erspan_tunnel_v2(self):
copy_network_unit('12-dummy.netdev', '25-erspan.network',
'25-erspan2-tunnel.netdev', '25-tunnel.network',
@@ -3696,7 +3588,6 @@ class NetworkdNetworkTests(unittest.TestCase, Utilities):
check_json(networkctl_json())
@expectedFailureIfKernelReturnsInvalidFlags()
def test_address_static(self):
copy_network_unit('25-address-static.network', '12-dummy.netdev', copy_dropins=False)
self.setup_nftset('addr4', 'ipv4_addr')
@@ -4289,7 +4180,6 @@ class NetworkdNetworkTests(unittest.TestCase, Utilities):
else:
self.assertFalse(True)
@expectedFailureIfRoutingPolicyPortRangeIsNotAvailable()
def test_routing_policy_rule_port_range(self):
copy_network_unit('25-fibrule-port-range.network', '11-dummy.netdev')
start_networkd()
@@ -4304,7 +4194,6 @@ class NetworkdNetworkTests(unittest.TestCase, Utilities):
self.assertRegex(output, 'ipproto (tcp|ipproto-6) ')
self.assertIn('lookup 7 ', output)
@expectedFailureIfRoutingPolicyIPProtoIsNotAvailable()
def test_routing_policy_rule_invert(self):
copy_network_unit('25-fibrule-invert.network', '11-dummy.netdev')
start_networkd()
@@ -4318,7 +4207,6 @@ class NetworkdNetworkTests(unittest.TestCase, Utilities):
self.assertRegex(output, 'ipproto (tcp|ipproto-6) ')
self.assertIn('lookup 7 ', output)
@expectedFailureIfRoutingPolicyL3MasterDeviceIsNotAvailable()
def test_routing_policy_rule_l3mdev(self):
copy_network_unit('25-fibrule-l3mdev.network', '11-dummy.netdev')
start_networkd()
@@ -4329,7 +4217,6 @@ class NetworkdNetworkTests(unittest.TestCase, Utilities):
self.assertIn('1500: from all lookup [l3mdev-table]', output)
self.assertIn('2000: from all lookup [l3mdev-table] unreachable', output)
@expectedFailureIfRoutingPolicyUIDRangeIsNotAvailable()
def test_routing_policy_rule_uidrange(self):
copy_network_unit('25-fibrule-uidrange.network', '11-dummy.netdev')
start_networkd()
@@ -5610,7 +5497,6 @@ class NetworkdNetworkTests(unittest.TestCase, Utilities):
print(output)
self.assertEqual(output, '')
@expectedFailureIfNexthopIsNotAvailable()
def test_nexthop(self):
first = True
for manage_foreign_nexthops in [True, False]:
@@ -6354,13 +6240,10 @@ class NetworkdBridgeTests(unittest.TestCase, Utilities):
print(output)
self.assertRegex(output, 'dev bridge99 port test1 grp ff02:aaaa:fee5::1:3 permanent *vid 4064')
self.assertRegex(output, 'dev bridge99 port test1 grp 224.0.1.1 permanent *vid 4065')
self.assertRegex(output, 'dev bridge99 port bridge99 grp ff02:aaaa:fee5::1:4 temp *vid 4066')
self.assertRegex(output, 'dev bridge99 port bridge99 grp 224.0.1.2 temp *vid 4067')
# Old kernel may not support bridge MDB entries on bridge master
if call_quiet('bridge mdb add dev bridge99 port bridge99 grp 224.0.1.3 temp vid 4068') == 0:
self.assertRegex(output, 'dev bridge99 port bridge99 grp ff02:aaaa:fee5::1:4 temp *vid 4066')
self.assertRegex(output, 'dev bridge99 port bridge99 grp 224.0.1.2 temp *vid 4067')
# Old kernel may not support L2 bridge MDB entries
# The kernels older than 955062b03fa62b802a1ee34fbb04e39f7a70ae73 (v5.11) do not support L2 bridge MDB entries
if call_quiet('bridge mdb add dev bridge99 port bridge99 grp 01:80:c2:00:00:0f permanent vid 4070') == 0:
self.assertRegex(output, 'dev bridge99 port bridge99 grp 01:80:c2:00:00:0e permanent *vid 4069')
@@ -6625,7 +6508,7 @@ class NetworkdSRIOVTests(unittest.TestCase, Utilities):
with open(f'/sys/bus/netdevsim/devices/netdevsim{id}/sriov_numvfs', mode='w', encoding='utf-8') as f:
f.write(f'{num_vfs}')
@expectedFailureIfNetdevsimWithSRIOVIsNotAvailable()
@expectedFailureIfModuleIsNotAvailable('netdevsim')
def test_sriov(self):
copy_network_unit('25-netdevsim.link', '25-sriov.network')
@@ -6642,7 +6525,7 @@ class NetworkdSRIOVTests(unittest.TestCase, Utilities):
'vf 2 .*00:11:22:33:44:57.*vlan 7, qos 3, spoof checking off, link-state auto, trust off, query_rss off'
)
@expectedFailureIfNetdevsimWithSRIOVIsNotAvailable()
@expectedFailureIfModuleIsNotAvailable('netdevsim')
def test_sriov_udev(self):
copy_network_unit('25-sriov.link', '25-sriov-udev.network')
@@ -7785,7 +7668,6 @@ class NetworkdDHCPClientTests(unittest.TestCase, Utilities):
self.assertIn('DHCPREPLY(veth-peer)', output)
self.assertIn('sent size: 0 option: 14 rapid-commit', output)
@expectedFailureIfKernelReturnsInvalidFlags()
def test_dhcp_client_ipv4_only(self):
copy_network_unit('25-veth.netdev', '25-dhcp-server-veth-peer.network', '25-dhcp-client-ipv4-only.network',
'25-sit-dhcp4.netdev', '25-sit-dhcp4.network')